Commit 8dfc66bf authored by Niels Möller's avatar Niels Möller

* nettle.texinfo (Example): Use @verbatiminclude to include the

example program.

* sha-example.c: Example program, for inclusion in the manual.

Rev: src/nettle/ChangeLog:1.190
Rev: src/nettle/nettle.texinfo:1.22
Rev: src/nettle/sha-example.c:1.1
parent ee6635bd
2003-04-22 Niels Mller <nisse@cuckoo.hack.org>
* nettle.texinfo (Example): Use @verbatiminclude to include the
example program.
* sha-example.c: Example program, for inclusion in the manual.
2003-04-14 Niels Mller <niels@s3.kth.se>
* x86/aes-encrypt.asm (nettle_aes_encrypt): Fixed references to
......
......@@ -251,50 +251,7 @@ A simple example program that reads a file from standard in and writes
its SHA1 checksum on standard output should give the flavor of Nettle.
@example
/* FIXME: This code is untested. */
#include <stdio.h>
#include <stdlib.h>
#include <nettle/sha.h>
#define BUF_SIZE 1000
static void
display_hex(unsigned length, uint8_t *data)
@{
static const char digits[16] = "0123456789abcdef";
unsigned i;
for (i = 0; i<length; i++)
@{
uint8_t byte = data[i];
printf("%c%c ", digits[(byte / 16) & 0xf], digits[byte & 0xf]);
@}
@}
int
main(int argc, char **argv)
@{
struct sha1_ctx ctx;
uint8_t buffer[BUF_SIZE];
uint8_t digest[SHA1_DIGEST_SIZE];
sha1_init(&ctx);
for (;;)
@{
int done = fread(buffer, 1, sizeof(buffer), stdin);
if (done <= 0)
break;
sha1_update(&ctx, done, buf);
@}
if (ferror(stdin))
return EXIT_FAILURE;
sha1_digest(&ctx, SHA1_DIGEST_SIZE, digest);
display_hex(SHA1_DIGEST_SIZE, digest);
return EXIT_SUCCESS;
@}
@verbatiminclude example.c
@end example
@node Reference, Nettle soup, Example, Top
......
#include <stdio.h>
#include <stdlib.h>
#include <nettle/sha.h>
#define BUF_SIZE 1000
static void
display_hex(unsigned length, uint8_t *data)
{
static const char digits[16] = "0123456789abcdef";
unsigned i;
for (i = 0; i<length; i++)
{
uint8_t byte = data[i];
printf("%c%c ", digits[(byte / 16) & 0xf], digits[byte & 0xf]);
}
printf("\n");
}
int
main(int argc, char **argv)
{
struct sha1_ctx ctx;
uint8_t buffer[BUF_SIZE];
uint8_t digest[SHA1_DIGEST_SIZE];
sha1_init(&ctx);
for (;;)
{
int done = fread(buffer, 1, sizeof(buffer), stdin);
sha1_update(&ctx, done, buffer);
if (done < sizeof(buffer))
break;
}
if (ferror(stdin))
return EXIT_FAILURE;
sha1_digest(&ctx, SHA1_DIGEST_SIZE, digest);
display_hex(SHA1_DIGEST_SIZE, digest);
return EXIT_SUCCESS;
}
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